Quarter	Percent
1999-01-01	35.2000288850376
1999-04-01	34.9942229924899
1999-07-01	34.9003466204506
1999-10-01	34.7559214326979
2000-01-01	34.9810708491076
2000-04-01	34.5447989904453
2000-07-01	34.5628267531999
2000-10-01	34.9918875067604
2001-01-01	35.2218700475436
2001-04-01	35.2218700475436
2001-07-01	35.2794986313211
2001-10-01	35.1570378907938
2002-01-01	34.6059645584210
2002-04-01	34.7932574556980
2002-07-01	35.1534361043077
2002-10-01	35.2182682610575
2003-01-01	35.3394561498289
2003-04-01	35.6203853772735
2003-07-01	35.7104267963263
2003-10-01	35.5915721231767
2004-01-01	35.0229415802594
2004-04-01	34.9904259546949
2004-07-01	35.5411896420961
2004-10-01	35.5556358120553
2005-01-01	35.3244970927083
2005-04-01	35.3136624652389
2005-07-01	35.5284523508823
2005-10-01	35.7954750478115
2006-01-01	35.6542746908016
2006-04-01	36.2167814517001
2006-07-01	36.7792882125987
2006-10-01	37.0713590307576
2007-01-01	37.1903508455630
2007-04-01	37.1254462193055
2007-07-01	37.1658139367298
2007-10-01	37.8359876053902
2008-01-01	37.9224616271528
2008-04-01	38.1854867766808
2008-07-01	39.1761865292443
2008-10-01	38.9419438538326
2009-01-01	37.6975413081824
2009-04-01	37.4317136285221
2009-07-01	37.3921794134560
2009-10-01	37.0386343216532
2010-01-01	36.5965858041330
2010-04-01	36.8472022955524
2010-07-01	37.3744619799139
2010-10-01	37.4533715925395
2011-01-01	36.8012141798865
2011-04-01	37.0324865392260
2011-07-01	37.1842590250425
2011-10-01	36.8698731615654
2012-01-01	36.9869436629878
2012-04-01	37.1817067012912
2012-07-01	37.1131789655919
2012-10-01	36.6623385991488
2013-01-01	37.0499837831994
2013-04-01	37.0427763162637
2013-07-01	37.3563011279686
2013-10-01	37.5941475368482
2014-01-01	37.5058518491843
2014-04-01	37.5490655046995
2014-07-01	37.7147178508409